LIMSTAR vs WillOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LIMSTAR
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LIMSTAR is a space-themed self-discipline tool. Walk, meditate, and explore nature to earn app usage time. Begin your starship journey now.
WillOS
This productivity tool helps users organize their time and prioritize tasks. It offers features to stay aware of time, focus on high-value activities, and manage tasks across multiple devices.
- Time awareness
- Task prioritization
- Cross-device task management
- Organized time management
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For J-types, P-types who want to be more J-like, or anyone who wants their time management to be well-organized. This tool can give you a hand and help you get your act together. · Stay aware of time at all times · Constantly remind yourself to prioritize high-value tasks · Want to view your tasks across multiple devices anytime, anywhere
Screenshots
Verdict
The clearest difference is price: LIMSTAR at Free against WillOS's $3.99. LIMSTAR also leads on update cadence (weekly vs every 2 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
LIMSTAR is free to download; WillOS costs $3.99 up front. LIMSTAR sells 1 one-off in-app purchase and WillOS sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
LIMSTAR ships an update weekly, WillOS every 2 weeks. The most recent releases landed on June 2, 2026 and September 7, 2026 respectively.
| Parameter | LIMSTAR | WillOS |
|---|---|---|
| Price | Free — better | $3.99 |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | 羽 唐 | 艺景 张 |
In-app purchases
LIMSTAR
- LIMSATR Life Member$0.99
WillOS
- Wishing Well (人・ω・。)2 variants$0.99
- Fuel me (//ω//)2 variants$2.99
- Feed me (//ω//)$4.99
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- PRO$6.99
- Feed me (//ω//)$6.99
